Celotex Insulation

Celotex Insulation

TB4000, GA4000, XR4000, CW4000, PL4000 and Thermaclass 21.

Celotex manufacture various PIR (Polyisocyanurate) rigid insulation boards for numerous applications within the building envolope, which offer good 'bang for your buck' when comparing thermal values to product costs.


Products by Celotex

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Celotex TB4000

Celotex TB4000 'Thermal Bridging', a rigid PIR foam insulation board with low emissivity foil on both faces, is suitable for the following applications: thermal bridging in pitched and flat roofs, solid masonry and framed wall systems, and floors.

Available in thicknesses from 20mm - 40mm.

Has a Thermal Conductivity of 0.022 W/mK, a compressive strength of 120kPa and a Vapour Resistance that typically exceeds 150 MNs/gm.

View our Celotex TB4000 page for further details and prices on the product

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Celotex GA4000

Celotex GA4000 'General Application', a rigid PIR foam insulation board with low emissivity foil on both faces, is suitable for the following applications: pitched and flat roofs, solid masonry and framed wall systems, and floors.

Available in thicknesses from 50mm - 100mm.

Has a Thermal Conductivity of 0.022 W/mK, a compressive strength of 140kPa and a Vapour Resistance that typically exceeds 150 MNs/gm.

View our Celotex GA4000 page for further details and prices on the product

Buy Celotex GA4000 PIR rigid board insulation products
Celotex XR4000

Celotex XR4000 'Extra Resistance', a rigid PIR foam insulation board with low emissivity foil on both faces, is suitable for the following applications: pitched roofs, flat roofs, solid masonry walls, timber and steel framed systems, and floors.

Available in thicknesses from 110mm - 200mm.

Has a Thermal Conductivity of 0.022 W/mK, a compressive strength of 140kPa and a Vapour Resistance that typically exceeds 150 MNs/gm.

View our Celotex XR4000 page for further details and prices on the product

Buy Celotex XR4000 PIR rigid board insulation products
Celotex CW4000

Celotex CW4000 'Cavity Wall', a rigid PIR foam insulation board with low emissivity foil on both faces, is suitable for the following applications: partial fill cavity between the outer leaf and inner block with a 50mm residual cavity.

Available in thicknesses from 40mm - 100mm.

Has a Thermal Conductivity of 0.022 W/mK, a compressive strength of 120kPa and a Vapour Resistance that typically exceeds 150 MNs/gm.

View our Celotex CW4000 page for further details and prices on the product

Buy Celotex CW4000 PIR rigid board insulation products
Celotex PL4000

Celotex PL4000 'Plasterboard Laminate', a rigid PIR foam insulation board with a 12.5mm tapered edge plasterboard on the front face and a composite aluminium foil/kraft paper on the back face, is suitable for the following applications: dot and dab or mechanically fixed dry lining direct to masonry and timber or steel frame walls and the underside of rafters or joists.

Available in thicknesses from 37.5mm - 77.5mm.

Has a Thermal Conductivity of 0.022 W/mK (0.19 W/mK for the plasterboard) and a compressive strength of 120kPa.

View our Celotex PL4000 page for further details and prices on the product

Buy Celotex PL4000 PIR rigid board insulation products
Celotex Thermaclass Cavity Wall 21

Celotex Thermaclass Cavity Wall 21, a rigid PIR foam insulation board with low emissivity foil on both faces, is suitable for the following applications: cavity wall applications with up to a 10mm residual cavity or full fill cavity applications with no residual cavity.

Available in thicknesses from 90mm - 140mm

Has a Thermal Conductivity of 0.021 W/mK, a compressive strength of 120kPa and a Vapour Resistance that typically exceeds 300 MNs/gm.

View our Celotex Thermaclass 21 page for further details and prices on the product

Buy Celotex Thermaclass 21 PIR rigid board insulation products